Today's methods of birth control make it possible for a couple to choose whether or not to have a child.
如今的节育措施使一对夫妇可以选择是否要生育孩子。
Good learners usually choose the best way of the following methods when they study.
好的学习者在学习时通常会从下列方法中选择最好的方法。
Find your own methods, or pick and choose a few of these.
你可以找到你自己的方法，或者从中选择几点建议。
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